2318512081128 has 32 divisors (see below), whose sum is σ = 5796367205760. Its totient is φ = 772825760000.

The previous prime is 2318512081087. The next prime is 2318512081157. The reversal of 2318512081128 is 8211802158132.

It is a self number, because there is not a number n which added to its sum of digits gives 2318512081128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990001 + ... + 2370047.

It is an arithmetic number, because the mean of its divisors is an integer number (181136475180).

Almost surely, 2^{2318512081128} is an apocalyptic number.

It is an amenable number.

2318512081128 is an abundant number, since it is smaller than the sum of its proper divisors (3477855124632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2318512081128 is a wasteful number, since it uses less digits than its factorization.

2318512081128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450057 (or 1450053 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 42.

The spelling of 2318512081128 in words is "two trillion, three hundred eighteen billion, five hundred twelve million, eighty-one thousand, one hundred twenty-eight".